CN111633056B - Straightener capable of automatically changing various roller boxes - Google Patents

Straightener capable of automatically changing various roller boxes Download PDF

Info

Publication number
CN111633056B
CN111633056B CN201910381510.0A CN201910381510A CN111633056B CN 111633056 B CN111633056 B CN 111633056B CN 201910381510 A CN201910381510 A CN 201910381510A CN 111633056 B CN111633056 B CN 111633056B
Authority
CN
China
Prior art keywords
roller
box
roll
trolley
diameter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910381510.0A
Other languages
Chinese (zh)
Other versions
CN111633056A (en
Inventor
陈亮
王纪红
李文喜
杨建勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiangyang Zhenben Transmission Equipment Co ltd
Original Assignee
Xiangyang Zhenben Transmission Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiangyang Zhenben Transmission Equipment Co ltd filed Critical Xiangyang Zhenben Transmission Equipment Co ltd
Priority to CN201910381510.0A priority Critical patent/CN111633056B/en
Publication of CN111633056A publication Critical patent/CN111633056A/en
Application granted granted Critical
Publication of CN111633056B publication Critical patent/CN111633056B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)

Abstract

A straightener capable of automatically replacing various roller boxes is used for steel rolling equipment. The large-roller-diameter roller box is arranged on a second track on the roller changing trolley; the first motor is connected with wheels through a first chain, and a first proximity switch and a second proximity switch for limiting the roll changing trolley are arranged at two ends of the guide rail; a hanger is arranged on a frame of the roll changing trolley, a motor II is connected with a chain II through a speed reducer, a travel switch, an electromagnet and a bolt are arranged at the front end of the hanger, and a proximity switch III is respectively arranged along the first track and the second track and on the frame; a proximity switch IV for limiting the cart on the large-roller-diameter roller box and the small-roller-diameter roller box is arranged on the transmission base; the main motor is connected with the gear distribution box through a coupling with a brake disc, and an output shaft of the gear distribution box is a spline; the operation side of the roller box is provided with a traction rod, the transmission side is provided with a trolley and a coupling, the trolley is connected with the small-roller-diameter roller box, and the hole position of a fixed plate on the trolley is consistent with the output shaft of the gear distribution box. The invention is suitable for roller boxes with various specifications, and the roller boxes can be quickly and automatically replaced.

Description

Straightener capable of automatically changing various roller boxes
Technical Field
The invention relates to the technical field of steel rolling equipment, in particular to a straightener capable of automatically replacing various roller boxes.
Background
The principle of the multi-roller straightener is that two rows of straightening rollers which are staggered mutually are utilized to repeatedly bend the plate strip, so that the plate strip generates bending plastic deformation, residual stress is reduced, and waves and unevenness of the plate strip are eliminated. The thinner the straightening plate strip, the smaller the roller diameter adopted, the more the number of rollers, whereas the thicker the straightening plate strip, the larger the roller diameter adopted, and the fewer the number of rollers. At present, the straightener usually only has a roller box with one specification, the roller diameter and the roller number are fixed, the range of the thickness of the straightening plate band is limited, and when the thickness of the plate band exceeds a certain range, the straightener can only be replaced, so that the equipment investment is required to be increased, and the production and manufacturing cost is increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a straightener capable of automatically replacing various roller boxes so as to enlarge the range of the thickness of a straightening plate belt of the straightener.
In order to achieve the aim of the invention, the invention mainly comprises a straightening machine frame, a main transmission device, a roll changing trolley, a guide rail, a hook, a large-roll-diameter roll box, a small-roll-diameter roll box and a proximity switch;
The large-roller-diameter roller box is arranged on a second track on the roller changing trolley;
The first motor is connected with the wheels through a first chain, the first motor drives the roll changing trolley to move on the guide rail, and a first proximity switch and a second proximity switch which limit the roll changing trolley are arranged at two ends of the guide rail; when the roll changing trolley triggers the proximity switch, the roll changing trolley stops moving, and a small roll diameter roll box in the straightening machine frame is aligned with a track on the roll changing trolley;
A hanger is arranged on a frame of the roll changing trolley, a motor II is connected with a chain II through a speed reducer, the motor II is driven by the chain II to enable the hanger to do linear reciprocating motion on the frame, a travel switch, an electromagnet and a bolt are arranged at the front end of the hanger, and a proximity switch III is respectively arranged on the frame along the first track and the second track; the second motor drives the hook to move to a traction rod at the operation side of the small-roller-diameter roller box, when the traction rod touches the travel switch, the second motor pauses working, the electromagnet is attracted to insert a bolt into the traction rod, the second motor reversely rotates, the hook pulls the small-roller-diameter roller box from the inside of the straightening machine frame to the position above a first rail of the roller changing trolley, and when the hook triggers a third proximity switch on the frame, the second motor stops working;
A transmission base of the main transmission device is provided with a proximity switch IV for limiting the cart on the large-roller-diameter roller box and the small-roller-diameter roller box; when the roll changing trolley triggers the second proximity switch, the roll changing trolley stops moving, the large-roll-diameter roll box is centered with the straightening machine frame, the second motor drives the hook to move towards the traction rod on the large-roll-diameter roll box, when the traction rod touches the travel switch, the second motor stops working, the electromagnet is attracted to insert the bolt into the traction rod, the hook pushes the large-roll-diameter roll box into the straightening machine frame, when the trolley triggers the fourth proximity switch, the hook stops moving, the electromagnet separates the bolt from the traction rod, the hook moves reversely, and the movement is stopped after the third proximity switch is triggered.
The main motor on the transmission base of the main transmission device is connected with the gear distribution box through a coupling with a brake disc, and an output shaft of the gear distribution box is a spline.
The operation side of the small-roller-diameter roller box is provided with a traction rod, the transmission side is provided with a trolley and a second coupling, the trolley is connected with the small-roller-diameter roller box, the number of the second coupling is the same as the number of working rollers in the small-roller-diameter roller box, the second coupling is provided with a spline shaft sleeve, and the hole position of a fixed plate on the trolley is consistent with the output shaft of the gear distribution box; the large-roller-diameter roller box is characterized in that a traction rod is arranged on the operation side of the large-roller-diameter roller box, a cart and a first coupling are arranged on the transmission side, the cart is connected with the large-roller-diameter roller box, the number of the first couplings is the same as that of the first working rollers in the large-roller-diameter roller box, a spline shaft sleeve is arranged on the first coupling, and the hole positions of the fixed plates on the cart are consistent with the output shafts of the gear distribution boxes.
The small-roller-diameter roller box is suitable for a thin plate belt, and the large-roller-diameter roller box is suitable for a thick plate belt.
Compared with the prior art, the invention has the most obvious characteristics that the straightener is suitable for roller boxes with various specifications, the roller boxes can be quickly and automatically replaced, the thickness range of the straightening plate and the strip is enlarged, the production cost is reduced, the automation degree in the roller replacing process is high, the downtime is effectively reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of the roll changing carriage and two sets of roll cassettes of fig. 1.
Fig. 4 is a schematic view of the hitch pull roll cartridge of fig. 1.
Fig. 5 is a schematic view of the cart and gear box combination of fig. 1.
In the figure: 1. a straightening machine frame; 2. a gear distribution box; 3. a coupling with a brake disc; 4. a main motor; 5. a transmission base; 6. a guide rail; 7. a first motor; 8. a frame; 9. a second chain; 10. a hook; 11. a large-diameter roller box; 12. a small roller diameter roller box; 13. a first coupling; 14. a second coupling; 15. track one; 16. a second motor; 17. a speed reducer; 18. a main transmission; 19. a roll changing trolley; 20. a wheel; 21. a first chain; 22. a first proximity switch; 23. a second proximity switch; 24. an electromagnet; 25. a plug pin; 26. a travel switch; 27. a traction rod; 28. a fixing plate; 29. an output shaft; 30. a proximity switch IV; 31. a cart; 32. a second working roll; 33. a first working roll; 34. a second track; 35. a proximity switch III; 36. a spline shaft sleeve.
Detailed Description
For convenience of description of the technical solution of the present invention, only two sets of roll cassettes are exemplified, the small roll diameter roll cassette 12 is applied to a thin plate belt, and the large roll diameter roll cassette 11 is applied to a thick plate belt, but the present invention is not limited to the disclosed two-set roll cassette embodiment, but the present invention is intended to cover an embodiment including a plurality of sets of roll cassettes.
As shown in fig. 1,2,3, 4 and 5, the present invention mainly comprises a straightener frame 1, a main transmission device 18, a roll changing trolley 19, a guide rail 6, a hook 10, a large-diameter roll box 11, a small-diameter roll box 12, a proximity switch and the like.
The large-diameter roller box 11 of the small-diameter roller box 12 in the straightening machine frame 1 to be replaced is arranged on the second track 34 on the roller changing trolley 19.
The motor I7 is connected with the wheels 20 through a chain I21, the motor I7 drives the roll changing trolley 19 to move on the guide rail 6, and a proximity switch I22 and a proximity switch II 23 which limit the roll changing trolley 19 are arranged at two ends of the guide rail 6; when the roll changing trolley 19 triggers the proximity switch I22, the roll changing trolley 19 stops moving, and the small-roll-diameter roll box 12 in the straightening machine frame 1 is centered with the track I15 on the roll changing trolley 19.
A hanger 10 is arranged on a frame 8 far away from the straightening machine frame 1, a motor II 16 is connected with a chain II 9 through a speed reducer 17, the motor II 16 is driven by the chain II 9 to enable the hanger 10 to do linear reciprocating motion on the frame 8, a travel switch 26, an electromagnet 24 and a bolt 25 are arranged at the front end of the hanger 10, and a proximity switch III 35 is respectively arranged on the frame 8 along the directions of a track I15 and a track II 34; the second motor 16 drives the hook 10 to move to the traction rod 27 on the operation side of the small-roller-diameter roller box 12, when the traction rod 27 touches the travel switch 26, the second motor 16 stops working, the electromagnet 24 is attracted to insert the bolt 25 into the traction rod 27, the second motor 16 reversely rotates, the hook 10 pulls the small-roller-diameter roller box 12 from the interior of the straightening machine frame 1 to the position above the first track 15 of the roller changing trolley 19, and when the hook 10 triggers the proximity switch III 35 on the frame 8, the second motor 16 stops working.
A transmission base 5 of the main transmission device 18 is provided with a proximity switch IV 30 for limiting a trolley 31 on the large-roller-diameter roller box 11 and the small-roller-diameter roller box 12; the first motor 7 drives the roll changing trolley 19 to move on the guide rail 6, when the roll changing trolley 19 triggers the second proximity switch 23, the roll changing trolley 19 stops moving, the large-diameter roll box 11 is centered with the straightening machine frame 1, the second motor 16 drives the hook 10 to move towards the traction rod 27 on the large-diameter roll box 11, when the traction rod 27 triggers the travel switch 26, the second motor 16 stops working, the electromagnet 24 is attracted, the bolt 25 is inserted into the traction rod 27, the hook 10 pushes the large-diameter roll box 11 into the straightening machine frame 1, when the trolley 31 triggers the fourth proximity switch 30, the hook 10 stops moving, the electromagnet 24 separates the bolt 25 from the traction rod 27, the hook 10 moves reversely, and stops moving after triggering the third proximity switch 35.
The main motor 4 on the transmission base 5 of the main transmission device 18 is connected with the gear distribution box 2 through the coupling 3 with a brake disc, and an output shaft 29 of the gear distribution box 2 is a spline.
The operation side of the small-roller-diameter roller box 12 is provided with a traction rod 27, the transmission side is provided with a trolley 31 and a second coupling 14, the trolley 31 is connected with the small-roller-diameter roller box 12, the number of the second coupling 14 is the same as that of the second working rollers 32 in the small-roller-diameter roller box 12, the second coupling 14 is provided with a spline shaft sleeve 36, the hole site of a fixed plate 28 on the trolley 31 is consistent with the output shaft 29 of the gear distribution box 2, and the fixed plate 28 can ensure that the spline shaft sleeve 36 of the second coupling 14 is quickly separated from and combined with the output shaft 29 of the gear distribution box 2 when the roller is replaced; the operation side of the large-roller-diameter roller box 11 is provided with a traction rod 27, the transmission side is provided with a trolley 31 and a first coupling 13, the trolley 31 is connected with the large-roller-diameter roller box 11, the number of the first couplings 13 is the same as that of the first working rollers 33 in the large-roller-diameter roller box 11, the first coupling 13 is provided with a spline shaft sleeve 36, the hole site of a fixed plate 28 on the trolley 31 is consistent with the output shaft 29 of the gear distribution box 2, and the spline shaft sleeve 36 of the first coupling 13 can be guaranteed to be quickly separated from and combined with the output shaft 29 of the gear distribution box 2 by the fixed plate 28 during roller replacement.
When the roller is replaced, the motor I7 drives the roller replacing trolley 19 to move on the guide rail 6, when the roller replacing trolley 19 triggers the proximity switch I22, the roller replacing trolley 19 stops moving, at the moment, the small roller diameter roller box 12 in the rack 1 is centered with the first rail 15 on the roller replacing trolley 19, the motor II 16 drives the hook 10 to move towards the traction rod 27 on the small roller diameter roller box 12, when the traction rod 27 triggers the travel switch 26, the motor II 16 stops working, the electromagnet 24 is attracted, the bolt 25 is inserted into the traction rod 27, the motor II 16 reversely rotates, the hook 10 pulls the small roller diameter roller box 12 from the inside of the rack 1 of the straightener to the position above the rail 15 on the roller replacing trolley 19, and when the hook 10 triggers the proximity switch III 35, the motor II 16 stops working; the first motor 7 drives the roll changing trolley 19 to move on the guide rail 6, when the roll changing trolley 19 triggers the second proximity switch 23, the roll changing trolley 19 stops moving, at the moment, the large-diameter roll box 11 is centered with the straightening machine frame 1, the second motor 16 drives the hook 10 to move towards the traction rod 27 on the large-diameter roll box 11, when the traction rod 27 triggers the travel switch 26, the second motor 16 stops working, the electromagnet 24 is attracted, the bolt 25 is inserted into the traction rod 27, the hook 10 pushes the large-diameter roll box 11 into the straightening machine frame 1, when the trolley 31 triggers the fourth proximity switch 30, the hook 10 stops moving, the electromagnet 24 separates the bolt 25 from the traction rod 27, the hook 10 moves reversely, and stops moving after triggering the third proximity switch 35.

Claims (2)

1. A straightener capable of automatically replacing a plurality of roller boxes, which is characterized in that: the straightening machine comprises a straightening machine frame (1), a main transmission device (18), a roll changing trolley (19), a guide rail (6), a hook (10), a large-roll-diameter roll box (11), a small-roll-diameter roll box (12) and a proximity switch;
the large-roller-diameter roller box (11) is arranged on a second track (34) on the roller changing trolley (19);
The motor I (7) is connected with the wheels (20) through a chain I (21), the motor I (7) drives the roll changing trolley (19) to move on the guide rail (6), and a proximity switch I (22) and a proximity switch II (23) which limit the roll changing trolley (19) are arranged at two ends of the guide rail (6); when the roll changing trolley (19) triggers the proximity switch I (22), the roll changing trolley (19) stops moving, and the small roll diameter roll box (12) in the straightening machine frame (1) is centered with the track I (15) on the roll changing trolley (19);
A hanger (10) is arranged on a frame (8) of the roll changing trolley (19), a motor II (16) is connected with a chain II (9) through a speed reducer (17), the motor II (16) is driven by the chain II (9) to enable the hanger (10) to do linear reciprocating motion on the frame (8), a travel switch (26), an electromagnet (24) and a bolt (25) are arranged at the front end of the hanger (10), and a proximity switch III (35) is respectively arranged on the frame (8) along the directions of a rail I (15) and a rail II (34); the second motor (16) drives the hook (10) to move towards a traction rod (27) on the operation side of the small-roller-diameter roller box (12), when the traction rod (27) touches a travel switch (26), the second motor (16) pauses to work, the electromagnet (24) is attracted to insert the bolt (25) into the traction rod (27), the second motor (16) reversely rotates, the hook (10) pulls the small-roller-diameter roller box (12) from the inside of the straightening machine frame (1) to the position above a first rail (15) of the roller changing trolley (19), and when the hook (10) triggers a third proximity switch (35) on the frame (8), the second motor (16) stops working;
A transmission base (5) of the main transmission device (18) is provided with a proximity switch IV (30) for limiting a trolley (31) on the large-roller-diameter roller box (11) and the small-roller-diameter roller box (12); the first motor (7) drives the roll changing trolley (19) to move on the guide rail (6), when the roll changing trolley (19) triggers the second proximity switch (23), the roll changing trolley (19) stops moving, the large-roll-diameter roll box (11) is centered with the straightening machine frame (1), the second motor (16) drives the hook (10) to move towards a traction rod (27) on the large-roll-diameter roll box (11), when the traction rod (27) touches the travel switch (26), the second motor (16) stops working, the electromagnet (24) is attracted, the bolt (25) is inserted into the traction rod (27), the hook (10) pushes the large-roll-diameter roll box (11) into the straightening machine frame (1), when the trolley (31) triggers the fourth proximity switch (30), the hook (10) stops moving, the electromagnet (24) separates the bolt (25) from the traction rod (27), the hook (10) moves reversely, and the third proximity switch (35) is triggered, and then the movement is stopped;
The operation side of the small-roller-diameter roller box (12) is provided with a traction rod (27), the transmission side is provided with a trolley (31) and a second coupling (14), the trolley (31) is connected with the small-roller-diameter roller box (12), the number of the second couplings (14) is the same as that of the second working rollers (32) in the small-roller-diameter roller box (12), the second coupling (14) is provided with a spline shaft sleeve (36), and the hole position of a fixed plate (28) on the trolley (31) is consistent with the output shaft (29) of the gear distribution box (2); the large-roller-diameter roller box (11) is provided with a traction rod (27) at the operation side, a trolley (31) and a first coupling (13) are arranged at the transmission side, the trolley (31) is connected with the large-roller-diameter roller box (11), the number of the first couplings (13) is the same as that of the first working rollers (33) in the large-roller-diameter roller box (11), the first coupling (13) is provided with a spline shaft sleeve (36), and the hole positions of a fixed plate (28) on the trolley (31) are consistent with the output shaft (29) of the gear distribution box (2);
the small-roller-diameter roller box (12) is suitable for a thin plate belt, and the large-roller-diameter roller box (11) is suitable for a thick plate belt.
2. The leveler capable of automatically changing a plurality of roll cassettes as recited in claim 1, wherein: a main motor (4) on a transmission base (5) of the main transmission device (18) is connected with a gear distribution box (2) through a coupling (3) with a brake disc, and an output shaft (29) of the gear distribution box (2) is a spline.
CN201910381510.0A 2019-05-08 2019-05-08 Straightener capable of automatically changing various roller boxes Active CN111633056B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910381510.0A CN111633056B (en) 2019-05-08 2019-05-08 Straightener capable of automatically changing various roller boxes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910381510.0A CN111633056B (en) 2019-05-08 2019-05-08 Straightener capable of automatically changing various roller boxes

Publications (2)

Publication Number Publication Date
CN111633056A CN111633056A (en) 2020-09-08
CN111633056B true CN111633056B (en) 2024-05-07

Family

ID=72324708

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910381510.0A Active CN111633056B (en) 2019-05-08 2019-05-08 Straightener capable of automatically changing various roller boxes

Country Status (1)

Country Link
CN (1) CN111633056B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112756429A (en) * 2020-11-30 2021-05-07 中冶华天工程技术有限公司 Operation side frame movable type straightener combination frame

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102172632A (en) * 2011-01-24 2011-09-07 中冶赛迪工程技术股份有限公司 Rolling mill capable of rapidly replacing roller and roller replacing method thereof
CN102463262A (en) * 2010-11-10 2012-05-23 上海重型机器厂有限公司 Working roll changing buggy of leveling machine
CN202803758U (en) * 2012-10-12 2013-03-20 首钢京唐钢铁联合有限责任公司 Roll change carriage hook position detection device
CN103769838A (en) * 2012-10-19 2014-05-07 襄阳博亚精工机器有限公司 Maintaining device for multi-roll straightening machine roll system
CN104096713A (en) * 2014-07-09 2014-10-15 常州宝菱重工机械有限公司 Online roller changing device
CN204171083U (en) * 2014-05-22 2015-02-25 江苏甬金金属科技有限公司 A kind of roll change buggy
CN104384315A (en) * 2014-10-21 2015-03-04 江苏亚威机床股份有限公司 Quick and high-accuracy roll replacement device
CN209918602U (en) * 2019-05-08 2020-01-10 襄阳振本传动设备有限公司 Straightening machine capable of automatically replacing various roller boxes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102463262A (en) * 2010-11-10 2012-05-23 上海重型机器厂有限公司 Working roll changing buggy of leveling machine
CN102172632A (en) * 2011-01-24 2011-09-07 中冶赛迪工程技术股份有限公司 Rolling mill capable of rapidly replacing roller and roller replacing method thereof
CN202803758U (en) * 2012-10-12 2013-03-20 首钢京唐钢铁联合有限责任公司 Roll change carriage hook position detection device
CN103769838A (en) * 2012-10-19 2014-05-07 襄阳博亚精工机器有限公司 Maintaining device for multi-roll straightening machine roll system
CN204171083U (en) * 2014-05-22 2015-02-25 江苏甬金金属科技有限公司 A kind of roll change buggy
CN104096713A (en) * 2014-07-09 2014-10-15 常州宝菱重工机械有限公司 Online roller changing device
CN104384315A (en) * 2014-10-21 2015-03-04 江苏亚威机床股份有限公司 Quick and high-accuracy roll replacement device
CN209918602U (en) * 2019-05-08 2020-01-10 襄阳振本传动设备有限公司 Straightening machine capable of automatically replacing various roller boxes

Also Published As

Publication number Publication date
CN111633056A (en) 2020-09-08

Similar Documents

Publication Publication Date Title
CN202296117U (en) Conveying device with adjustable width
CN203817219U (en) Feeding device for round pipe punch
CN103037997B (en) Apparatus for manufacturing coil spring
CN209918602U (en) Straightening machine capable of automatically replacing various roller boxes
CN111633056B (en) Straightener capable of automatically changing various roller boxes
CN209668408U (en) A kind of steel band crimping machine
CN103517772A (en) Mandrel conveying device for a tube rolling mill
CN202701962U (en) Continuous wire-drawing machine for metal plate surface
CN202861740U (en) Roller system maintenance device of multi-roller straighteners
CN205324366U (en) Double -stranded drawbench with automatic discharge function
CN205362253U (en) Double -stranded drawbench with automatic discharge function
CN103769838A (en) Maintaining device for multi-roll straightening machine roll system
CN103801601A (en) Pre-bending machine used before wire rod recoiling machine
CN202984366U (en) Numerical control vertical type three-roller plate coiling machine
CN112478692B (en) Device for positioning articles on conveyor belt
WO2016184054A1 (en) Bending method for three-roller plate bending machine
CN211539058U (en) Cold heading processing straightening material feeding unit
CN215844924U (en) Chain type drawing machine
CN203817121U (en) Prebending machine in front of wire rod coiling machine
CN211071396U (en) Automatic equipment of bending of high accuracy steel pipe
CN114959532A (en) Thin titanium plate steel taking machine on titanium plate continuous annealing production line and working method thereof
CN101861216A (en) Forming apparatus
CN212070051U (en) Steel member bending device
CN113477746A (en) Double-motor parallel driving device and solid tension coiling machine
CN108910438B (en) Coil car is transported to locking book of coil of strip

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant